04 2018 档案

摘要:数据定义 data: a type c. data: a like b. data: a like talbe-name. 数据合并 C1='AB'. C2='CD'. C3='EF'. C4='GH'. C9='+'. CONCATENATE C1 C2 C3 C4 INTO C5. WRITE 阅读全文
posted @ 2018-04-26 14:00 mingxiu 阅读(2056) 评论(0) 推荐(0)
摘要: 阅读全文
posted @ 2018-04-20 15:57 mingxiu 阅读(343) 评论(0) 推荐(0)